We went to Buzzsumo to find out. We searched Buzzsumo’s extensive database of online influencers (which in other analyses have returned as many as 14,000 influencers at a time) and found 3,166 who are keynote speakers or other organizations like the NSA that are relevant to keynote speaking. Our list below ranks the 50 with the most online influence, according to a relevance algorithm that includes 16 different influence metrics including retweets, Twitter lists, Google PageRank, Moz’s website domain authority and page authority and more.

It looks something like this…

… along with what their social media accounts and website talk about.

The more followers they have, more more influential their websites are, and the more retweets and other social shares they get online, the higher they rank here: